A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 46
This correspondence will be rendered more obvious by imagining the branchial
sinus to be depressed towards the neural side of the Ascidian , by a rotation
round its oral extremity through an angle of 90 ° in a vertical plane passing
through ...
This correspondence will be rendered more obvious by imagining the branchial
sinus to be depressed towards the neural side of the Ascidian , by a rotation
round its oral extremity through an angle of 90 ° in a vertical plane passing
through ...
Página 52
The branchial stigmata subsequently increase in number , the branchial sac at
the same time detaching itself more and more from the walls of the thoracic
chamber , while the space thus produced , and bounded internally by the walls of
the ...
The branchial stigmata subsequently increase in number , the branchial sac at
the same time detaching itself more and more from the walls of the thoracic
chamber , while the space thus produced , and bounded internally by the walls of
the ...
Página 53
which we have assumed as homologous with the thoracic chamber of the
Ascidian ; and the lophophore , which represents the thoracic sinus of the
branchial sac of the Ascidian , becomes separated from it just as the branchial
sac separates ...
which we have assumed as homologous with the thoracic chamber of the
Ascidian ; and the lophophore , which represents the thoracic sinus of the
branchial sac of the Ascidian , becomes separated from it just as the branchial
sac separates ...
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A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cavity cell characters cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella crown described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives Hist important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor Rösel seen separated sheath side similar space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman Volumen13 de DE-601)130488305: Ray Society Publications, Ray Society Ray Society, Ray Society Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | Universidad de Michigan |
| Digitalizado | 13 Feb. 2012 |
| Largo | 119 páginas |
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